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• Syntax-abstraction

Abs-?-function-parameters

Abstract a [ function-parameters ] to list of function parameters.

Signature

(abs-?-function-parameters tree) → params

Arguments

tree — Guard (abnf::treep tree).

Returns

params — Type (funparam-list-resultp params).

Definitions and Theorems

Function: abs-?-function-parameters

(defun abs-?-function-parameters (tree)
  (declare (xargs :guard (abnf::treep tree)))
  (let ((__function__ 'abs-?-function-parameters))
    (declare (ignorable __function__))
    (b* (((okf treess)
          (abnf::check-tree-nonleaf tree nil))
         ((when (endp treess)) nil)
         ((okf trees)
          (abnf::check-tree-list-list-1 treess))
         ((okf tree)
          (abnf::check-tree-list-1 trees)))
      (abs-function-parameters tree))))

Theorem: funparam-list-resultp-of-abs-?-function-parameters

(defthm funparam-list-resultp-of-abs-?-function-parameters
  (b* ((params (abs-?-function-parameters tree)))
    (funparam-list-resultp params))
  :rule-classes :rewrite)

Theorem: abs-?-function-parameters-of-tree-fix-tree

(defthm abs-?-function-parameters-of-tree-fix-tree
  (equal (abs-?-function-parameters (abnf::tree-fix tree))
         (abs-?-function-parameters tree)))

Theorem: abs-?-function-parameters-tree-equiv-congruence-on-tree

(defthm abs-?-function-parameters-tree-equiv-congruence-on-tree
  (implies (abnf::tree-equiv tree tree-equiv)
           (equal (abs-?-function-parameters tree)
                  (abs-?-function-parameters tree-equiv)))
  :rule-classes :congruence)